"Wink is a Tutorial and Presentation creation software, primarily aimed at creating tutorials on how to use software (like a tutor for MS-Word/Excel etc). Using Wink you can capture screenshots, add explanations boxes, buttons, titles etc and generate a highly effective tutorial for your users.
Here is a sample Flash tutorial created by Wink."
"Wink is a freeware screen capture and tutorial-creation program. It supports many features such as input-based capture and text annotations. Navigation buttons can be added to any presentation and the bitmaps for all presentation controls can be edited."